diff --git a/apps/web/components/memories-grid.tsx b/apps/web/components/memories-grid.tsx
index d2f93d544..0fd451627 100644
--- a/apps/web/components/memories-grid.tsx
+++ b/apps/web/components/memories-grid.tsx
@@ -542,13 +542,13 @@ export function MemoriesGrid({
 			{!isEmpty && !isSelectionMode && (
 				<div
 					id="filter-pills"
-					className="flex items-center justify-between gap-4 mb-3 pr-2"
+					className="mb-3 flex flex-col gap-2 pr-2 sm:flex-row sm:items-center sm:justify-between sm:gap-4"
 				>
-					<div className="flex flex-wrap items-center gap-1.5">
+					<div className="scrollbar-none -mx-1 flex items-center gap-1.5 overflow-x-auto px-1 pb-1 sm:mx-0 sm:flex-wrap sm:overflow-visible sm:px-0 sm:pb-0">
 						<Button
 							className={cn(
 								dmSansClassName(),
-								"rounded-full border border-[#161F2C] bg-[#0D121A] px-2.5 py-1 text-xs h-auto hover:bg-[#00173C] hover:border-[#2261CA33]",
+								"h-auto shrink-0 rounded-full border border-[#161F2C] bg-[#0D121A] px-2.5 py-1 text-xs hover:bg-[#00173C] hover:border-[#2261CA33]",
 								selectedCategories.length === 0 &&
 									"bg-[#00173C] border-[#2261CA33]",
 							)}
@@ -566,7 +566,7 @@ export function MemoriesGrid({
 								key={facet.category}
 								className={cn(
 									dmSansClassName(),
-									"rounded-full border border-[#161F2C] bg-[#0D121A] px-2.5 py-1 text-xs h-auto hover:bg-[#00173C] hover:border-[#2261CA33]",
+									"h-auto shrink-0 rounded-full border border-[#161F2C] bg-[#0D121A] px-2.5 py-1 text-xs hover:bg-[#00173C] hover:border-[#2261CA33]",
 									selectedCategoriesSet.has(facet.category) &&
 										"bg-[#00173C] border-[#2261CA33]",
 								)}
@@ -577,7 +577,7 @@ export function MemoriesGrid({
 							</Button>
 						))}
 					</div>
-					<div className="flex items-center gap-2 shrink-0">
+					<div className="flex shrink-0 items-center justify-end gap-2">
 						{/* View mode toggle — segmented control */}
 						<div
 							role="tablist"
diff --git a/apps/web/components/quick-note-card.tsx b/apps/web/components/quick-note-card.tsx
index bb7277341..49eca58eb 100644
--- a/apps/web/components/quick-note-card.tsx
+++ b/apps/web/components/quick-note-card.tsx
@@ -1,11 +1,12 @@
 "use client"
 
-import { useRef, useCallback } from "react"
+import { useRef, useCallback, useEffect, useState } from "react"
 import { cn } from "@lib/utils"
 import { dmSansClassName } from "@/lib/fonts"
 import { Maximize2, Plus, Loader2 } from "lucide-react"
 import { useProject } from "@/stores"
 import { useQuickNoteDraft } from "@/stores/quick-note-draft"
+import { TextEditor } from "./text-editor"
 
 interface QuickNoteCardProps {
 	onSave: (content: string) => void
@@ -18,28 +19,23 @@ export function QuickNoteCard({
 	onMaximize,
 	isSaving = false,
 }: QuickNoteCardProps) {
-	const textareaRef = useRef<HTMLTextAreaElement>(null)
+	const [isExpanded, setIsExpanded] = useState(false)
 	const { selectedProject } = useProject()
 	const { draft, setDraft } = useQuickNoteDraft(selectedProject)
+	const draftRef = useRef(draft)
+	draftRef.current = draft
 
-	const handleChange = useCallback(
-		(e: React.ChangeEvent<HTMLTextAreaElement>) => {
-			setDraft(e.target.value)
-		},
+	const handleContentChange = useCallback(
+		(content: string) => setDraft(content),
 		[setDraft],
 	)
 
-	const handleKeyDown = useCallback(
-		(e: React.KeyboardEvent<HTMLTextAreaElement>) => {
-			if ((e.metaKey || e.ctrlKey) && e.key === "Enter") {
-				e.preventDefault()
-				if (draft.trim() && !isSaving) {
-					onSave(draft)
-				}
-			}
-		},
-		[draft, isSaving, onSave],
-	)
+	const handleEditorSubmit = useCallback(() => {
+		const currentDraft = draftRef.current
+		if (currentDraft.trim() && !isSaving) {
+			onSave(currentDraft)
+		}
+	}, [isSaving, onSave])
 
 	const handleSaveClick = useCallback(() => {
 		if (draft.trim() && !isSaving) {
@@ -51,109 +47,171 @@ export function QuickNoteCard({
 		onMaximize(draft)
 	}, [draft, onMaximize])
 
+	const handleBlurCapture = useCallback(
+		(e: React.FocusEvent<HTMLDivElement>) => {
+			if (e.currentTarget.contains(e.relatedTarget as Node | null)) return
+			setIsExpanded(false)
+		},
+		[],
+	)
+
+	const handleBackdropPointerDown = useCallback(() => {
+		const activeElement = document.activeElement
+		if (activeElement instanceof HTMLElement) {
+			activeElement.blur()
+		}
+		setIsExpanded(false)
+	}, [])
+
+	useEffect(() => {
+		if (!isExpanded) return
+
+		const handleKeyDown = (event: KeyboardEvent) => {
+			if (event.key !== "Escape") return
+			const activeElement = document.activeElement
+			if (activeElement instanceof HTMLElement) {
+				activeElement.blur()
+			}
+			setIsExpanded(false)
+		}
+
+		window.addEventListener("keydown", handleKeyDown)
+		return () => window.removeEventListener("keydown", handleKeyDown)
+	}, [isExpanded])
+
 	const canSave = draft.trim().length > 0 && !isSaving
+	const hasDraft = draft.trim().length > 0
+	const editorHeight = isExpanded
+		? "min-h-[min(58dvh,520px)] sm:min-h-[min(54vh,560px)]"
+		: hasDraft
+			? "min-h-[188px]"
+			: "min-h-[120px]"
 
 	return (
-		<div
-			className="bg-[#1B1F24] rounded-[22px] p-1"
-			style={{
-				boxShadow:
-					"0 2.842px 14.211px 0 rgba(0, 0, 0, 0.25), 0.711px 0.711px 0.711px 0 rgba(255, 255, 255, 0.10) inset",
-			}}
-		>
+		<>
+			{isExpanded && (
+				<div
+					className="fixed inset-0 z-[60] bg-[#05080D]/45 backdrop-blur-[10px]"
+					onPointerDown={handleBackdropPointerDown}
+					aria-hidden
+				/>
+			)}
 			<div
-				id="quick-note-inner"
-				className="bg-[#0B1017] rounded-[18px] p-3 relative"
+				className={cn(
+					"relative w-full rounded-[22px] bg-[#1B1F24] p-1 transition-[box-shadow,transform,width] duration-200",
+					isExpanded && "z-[70] w-[min(calc(100vw-1.5rem),640px)] scale-[1.01]",
+				)}
 				style={{
-					boxShadow: "inset 1.421px 1.421px 4.263px 0 rgba(11, 15, 21, 0.4)",
+					boxShadow: isExpanded
+						? "0 24px 80px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255,255,255,0.08), 0.711px 0.711px 0.711px 0 rgba(255, 255, 255, 0.10) inset"
+						: "0 2.842px 14.211px 0 rgba(0, 0, 0, 0.25), 0.711px 0.711px 0.711px 0 rgba(255, 255, 255, 0.10) inset",
 				}}
 			>
-				<button
-					type="button"
-					onClick={handleMaximizeClick}
-					className="absolute top-3 right-3 text-[#737373] hover:text-white transition-colors cursor-pointer"
-					aria-label="Expand to full screen"
-				>
-					<Maximize2 className="size-[14px]" />
-				</button>
-
-				<textarea
-					ref={textareaRef}
-					value={draft}
-					onChange={handleChange}
-					onKeyDown={handleKeyDown}
-					placeholder="Start writing..."
-					disabled={isSaving}
+				<div
+					id="quick-note-inner"
 					className={cn(
-						dmSansClassName(),
-						"w-full h-[120px] bg-transparent resize-none outline-none text-[12px] leading-normal text-white placeholder:text-[#737373] pr-5 disabled:opacity-50",
+						"relative flex flex-col rounded-[18px] bg-[#0B1017] p-3",
+						isExpanded &&
+							"fixed inset-x-3 top-[calc(env(safe-area-inset-top)+72px)] z-[71] max-h-[calc(100dvh-96px)] sm:static sm:inset-auto",
 					)}
-				/>
-
-				<div
-					id="quick-note-action-bar"
-					className="bg-[#1B1F24] rounded-[8px] px-2 py-1.5 flex items-center justify-center gap-8 w-full"
+					onFocusCapture={() => setIsExpanded(true)}
+					onBlurCapture={handleBlurCapture}
 					style={{
-						boxShadow:
-							"0 4px 20px 0 rgba(0, 0, 0, 0.25), inset 1px 1px 1px 0 rgba(255, 255, 255, 0.1)",
+						boxShadow: "inset 1.421px 1.421px 4.263px 0 rgba(11, 15, 21, 0.4)",
 					}}
 				>
 					<button
 						type="button"
-						onClick={handleSaveClick}
-						disabled={!canSave}
+						onClick={handleMaximizeClick}
+						className="absolute top-3 right-3 text-[#737373] hover:text-white transition-colors cursor-pointer"
+						aria-label="Expand to full screen"
+					>
+						<Maximize2 className="size-[14px]" />
+					</button>
+
+					<div
 						className={cn(
-							"flex items-center gap-1.5 cursor-pointer disabled:cursor-not-allowed disabled:opacity-50",
+							dmSansClassName(),
+							"w-full flex-1 overflow-y-auto pr-5 text-white disabled:opacity-50",
+							"[&_.ProseMirror]:text-[12px] [&_.ProseMirror]:leading-normal [&_.ProseMirror_p.is-editor-empty:first-child::before]:text-[#737373]",
+							editorHeight,
 						)}
+						aria-disabled={isSaving}
 					>
-						<span className="flex items-center gap-1.5">
-							{isSaving ? (
-								<Loader2 className="size-2 animate-spin text-[#fafafa]" />
-							) : (
-								<Plus className="size-2 text-[#fafafa]" />
-							)}
-							<span
-								className={cn(
-									dmSansClassName(),
-									"text-[10px] font-medium text-[#fafafa]",
-								)}
-							>
-								{isSaving ? "Saving..." : "Save note"}
-							</span>
-						</span>
+						<TextEditor
+							content={draft}
+							onContentChange={handleContentChange}
+							onSubmit={handleEditorSubmit}
+							debounceMs={0}
+							editable={!isSaving}
+						/>
+					</div>
 
-						<span
+					<div
+						id="quick-note-action-bar"
+						className="mt-3 flex w-full items-center justify-center gap-8 rounded-[8px] bg-[#1B1F24] px-2 py-1.5"
+						style={{
+							boxShadow:
+								"0 4px 20px 0 rgba(0, 0, 0, 0.25), inset 1px 1px 1px 0 rgba(255, 255, 255, 0.1)",
+						}}
+					>
+						<button
+							type="button"
+							onClick={handleSaveClick}
+							disabled={!canSave}
 							className={cn(
-								"bg-[rgba(33,33,33,0.5)] border border-[rgba(115,115,115,0.2)] rounded px-1 py-0.5 flex items-center gap-1 h-4",
+								"flex items-center gap-1.5 cursor-pointer disabled:cursor-not-allowed disabled:opacity-50",
 							)}
 						>
-							<svg
-								className="size-[10px]"
-								viewBox="0 0 9 9"
-								fill="none"
-								xmlns="http://www.w3.org/2000/svg"
-							>
-								<title>Command Key</title>
-								<path
-									d="M6.67 0.42C6.34 0.42 6.02 0.55 5.78 0.78C5.55 1.02 5.42 1.34 5.42 1.67V6.67C5.42 7 5.55 7.32 5.78 7.55C6.02 7.78 6.34 7.92 6.67 7.92C7 7.92 7.32 7.78 7.55 7.55C7.78 7.32 7.92 7 7.92 6.67C7.92 6.34 7.78 6.02 7.55 5.78C7.32 5.55 7 5.42 6.67 5.42H1.67C1.34 5.42 1.02 5.55 0.78 5.78C0.55 6.02 0.42 6.34 0.42 6.67C0.42 7 0.55 7.32 0.78 7.55C1.02 7.78 1.34 7.92 1.67 7.92C2 7.92 2.32 7.78 2.55 7.55C2.78 7.32 2.92 7 2.92 6.67V1.67C2.92 1.34 2.78 1.02 2.55 0.78C2.32 0.55 2 0.42 1.67 0.42C1.34 0.42 1.02 0.55 0.78 0.78C0.55 1.02 0.42 1.34 0.42 1.67C0.42 2 0.55 2.32 0.78 2.55C1.02 2.78 1.34 2.92 1.67 2.92H6.67C7 2.92 7.32 2.78 7.55 2.55C7.78 2.32 7.92 2 7.92 1.67C7.92 1.34 7.78 1.02 7.55 0.78C7.32 0.55 7 0.42 6.67 0.42Z"
-									stroke="#737373"
-									strokeWidth="0.833333"
-									strokeLinecap="round"
-									strokeLinejoin="round"
-								/>
-							</svg>
+							<span className="flex items-center gap-1.5">
+								{isSaving ? (
+									<Loader2 className="size-2 animate-spin text-[#fafafa]" />
+								) : (
+									<Plus className="size-2 text-[#fafafa]" />
+								)}
+								<span
+									className={cn(
+										dmSansClassName(),
+										"text-[10px] font-medium text-[#fafafa]",
+									)}
+								>
+									{isSaving ? "Saving..." : "Save note"}
+								</span>
+							</span>
+
 							<span
 								className={cn(
-									dmSansClassName(),
-									"text-[10px] font-medium text-[#737373]",
+									"bg-[rgba(33,33,33,0.5)] border border-[rgba(115,115,115,0.2)] rounded px-1 py-0.5 flex items-center gap-1 h-4",
 								)}
 							>
-								Enter
+								<svg
+									className="size-[10px]"
+									viewBox="0 0 9 9"
+									fill="none"
+									xmlns="http://www.w3.org/2000/svg"
+								>
+									<title>Command Key</title>
+									<path
+										d="M6.67 0.42C6.34 0.42 6.02 0.55 5.78 0.78C5.55 1.02 5.42 1.34 5.42 1.67V6.67C5.42 7 5.55 7.32 5.78 7.55C6.02 7.78 6.34 7.92 6.67 7.92C7 7.92 7.32 7.78 7.55 7.55C7.78 7.32 7.92 7 7.92 6.67C7.92 6.34 7.78 6.02 7.55 5.78C7.32 5.55 7 5.42 6.67 5.42H1.67C1.34 5.42 1.02 5.55 0.78 5.78C0.55 6.02 0.42 6.34 0.42 6.67C0.42 7 0.55 7.32 0.78 7.55C1.02 7.78 1.34 7.92 1.67 7.92C2 7.92 2.32 7.78 2.55 7.55C2.78 7.32 2.92 7 2.92 6.67V1.67C2.92 1.34 2.78 1.02 2.55 0.78C2.32 0.55 2 0.42 1.67 0.42C1.34 0.42 1.02 0.55 0.78 0.78C0.55 1.02 0.42 1.34 0.42 1.67C0.42 2 0.55 2.32 0.78 2.55C1.02 2.78 1.34 2.92 1.67 2.92H6.67C7 2.92 7.32 2.78 7.55 2.55C7.78 2.32 7.92 2 7.92 1.67C7.92 1.34 7.78 1.02 7.55 0.78C7.32 0.55 7 0.42 6.67 0.42Z"
+										stroke="#737373"
+										strokeWidth="0.833333"
+										strokeLinecap="round"
+										strokeLinejoin="round"
+									/>
+								</svg>
+								<span
+									className={cn(
+										dmSansClassName(),
+										"text-[10px] font-medium text-[#737373]",
+									)}
+								>
+									Enter
+								</span>
 							</span>
-						</span>
-					</button>
+						</button>
+					</div>
 				</div>
 			</div>
-		</div>
+		</>
 	)
 }
diff --git a/apps/web/components/text-editor/index.tsx b/apps/web/components/text-editor/index.tsx
index 687c8065e..fb2d20bf9 100644
--- a/apps/web/components/text-editor/index.tsx
+++ b/apps/web/components/text-editor/index.tsx
@@ -18,11 +18,13 @@ export function TextEditor({
 	onContentChange,
 	onSubmit,
 	debounceMs = 500,
+	editable = true,
 }: {
 	content: string | undefined
 	onContentChange: (content: string) => void
 	onSubmit: () => void
 	debounceMs?: number
+	editable?: boolean
 }) {
 	const containerRef = useRef<HTMLDivElement>(null)
 	const editorRef = useRef<Editor | null>(null)
@@ -44,6 +46,7 @@ export function TextEditor({
 		extensions,
 		content: initialContent,
 		contentType: "markdown",
+		editable,
 		immediatelyRender: true,
 		onCreate: ({ editor }) => {
 			editorRef.current = editor
@@ -86,12 +89,21 @@ export function TextEditor({
 	})
 
 	useEffect(() => {
-		if (editor && initialContent) {
+		if (editor && initialContent !== undefined) {
+			const json = editor.getJSON()
+			const currentContent =
+				editor.storage.markdown?.manager?.serialize(json) ?? ""
+			if (currentContent === initialContent) return
+
 			hasUserEditedRef.current = false
 			editor.commands.setContent(initialContent, { contentType: "markdown" })
 		}
 	}, [editor, initialContent])
 
+	useEffect(() => {
+		editor?.setEditable(editable)
+	}, [editor, editable])
+
 	const handleClick = useCallback((e: React.MouseEvent<HTMLDivElement>) => {
 		const target = e.target as HTMLElement
 		if (target.closest(".ProseMirror")) {